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冯文灏 《武汉大学学报(信息科学版)》1994,19(2):95-100
将需检校的立体视觉系统对室外大型控制场拍摄多方位立体像对时,引入像对间相互关系作为制约条件,是使成果稳定而高质的必要措施。本文介绍了所引入的制约条件的推演过程。 相似文献
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随着计算机在军事领域上的广泛应用,利用计算机来完成战术动作的演练及战法的研究已成为当前作战指挥自动化中的一个重要环节,但是,目前的推演系统在符号形象化,战斗进展分析及预测的表现力度上都有一定的局限性,本文着重就象形军标的标定,推演分析和脚本编辑进行了一些探索。 相似文献
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为解决作战推演中作战计划时空冲突检测问题,对作战计划建模和时空冲突检测算法展开了研究。首先将作战计划分解为推演事件序列并分析了推演事件之间的时空关系;然后采用时间约束网表达推演事件序列,将推演事件时间冲突检测转化为负环检测问题;最后采用Bellman_Ford算法设计了负环检测函数,并对典型案例进行了实验,验证了算法的可行性。 相似文献
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Provenance of Cored Sediments from Active Margin off Southwestern Taiwan Deduced from Geochemical Constraints 总被引:1,自引:0,他引:1
HUANG Shaowei CHEN Juchin LO Chienying LEE Yungtan JIANG Weiteh WANG Yunshuen CHUNG Sanhsiung 《《地质学报》英文版》2014,88(1):128-141
The cored sediments sampled by R/V Marion Dufrense in the active margin off southwestern Taiwan on the east side of the Manila Trench are mostly muds consisting mainly of quartz, feldspar, illite, chlorite + kaolinite with a trace amount of montmorillonite. The cored sediments have higher Fe, Ti, Cr, Cs, Li, Ni, and V but lower Ca, Na, Mn, Hf, Nb, Sr, Ta, U and Zr contents when compared with the upper continental crust(UCC, Taylor and McLennan, 1985). The Eu/Eu* ratios of the sediments averaging 0.69 indicate that the recycling effect on the Eu anomaly may be minor and the contribution of mafic source rock was unimportant, which can also be depicted in the La-Th-Sc plot(Cullers, 1994) showing a "mixed origin" close to the felsic end member. The chemistry of the cored sediment can be explained by a mixing model designed by Ho and Chen(1996) with four end members i.e., greywacke, shale, quartzite and limestone, which are widely distributed in the Cenozoic formations of southern Taiwan with greywacke as the dominant contributor followed by shale. 相似文献
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近日,江西省国土资源省厅和国土资源部机关干部“三进四同”工作组会同赣州市矿管局,在江西瑞金联合举办地质灾害防治和矿山地质环境治理培训班,举行地质灾害应急响应桌面推演。江西厅厅长胡宪对全省地灾防治工作作了部署。 相似文献
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